SB2026110923 - Multiple vulnerabilities in NEC WebSAM WinShare

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Main Vulnerability Database SB2026110923

SB2026110923 - Multiple vulnerabilities in NEC WebSAM WinShare

Published: November 9, 2026

Security Bulletin ID SB2026110923
CSH Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2026-113362)

CWE-ID: CWE-276 - Incorrect Default Permissions

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions in the program folder. A local user can gain elevated privileges on the target system.


2) Exposed dangerous method or function (CVE-ID: CVE-2026-113363)

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to exposed dangerous method or function. A remote attacker can send a specially crafted packet to "Remote PC" and execute arbitrary command with SYSTEM privilege.


3) Heap-based buffer overflow (CVE-ID: CVE-2026-113364)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted packet, trigger a heap-based buffer overflow and execute arbitrary code on the target system with SYSTEM privilege.


Remediation

Install update from vendor's website.

References